Friday 18 July 2014

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THE ELECTRIC LINES OF FORCE

Definition

The path traced by a unit positive charge free to move under the effect of an electric field is called electric line of force .

or                   Electric lines of force can be defined as a way or path, it may be straight or curved, so that the tangent at any point to it gives the direction of the electric field intensity at that point.

 

Electric lines of force due to a positive charge are directed outwards

But in case of negative charge instead of going away from the charge the lines of force are directed inwards.
electrostatic 2.20

these lines are directed outward
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